vlm.cpp

VLC Player Source Code

/*****************************************************************************
 * vlm.cpp : VLM Management
 ****************************************************************************
 * Copyright © 2008 the VideoLAN team
 * $Id$
 *
 * Authors: Jean-Baptiste Kempf <[e-mail]>
 *          Jean-François Massol <jf.massol -at- gmail.com>
 *          Clément Sténac <[e-mail]>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * ( at your option ) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin street, Fifth Floor, Boston MA 02110-1301, USA.
 *****************************************************************************/

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include "dialogs/vlm.hpp"

#ifdef ENABLE_VLM
#include "dialogs/open.hpp"
#include "dialogs/sout.hpp"

#include <QString>
#include <QComboBox>
#include <QVBoxLayout>
#include <QStackedWidget>
#include <QLabel>
#include <QWidget>
#include <QGridLayout>
#include <QLineEdit>
#include <QCheckBox>
#include <QToolButton>
#include <QGroupBox>
#include <QPushButton>
#include <QHBoxLayout>
#include <QDateTimeEdit>
#include <QDateTime>
#include <QSpinBox>
#include <QHeaderView>
#include <QScrollArea>
#include <QFileDialog>

static const char *psz_type[] = { "Broadcast", "Schedule", "VOD" };

VLMDialog *VLMDialog::instance = NULL;

VLMDialog::VLMDialog( QWidget *parent, intf_thread_t *_p_intf ) : QVLCDialog( parent, _p_intf )
{
    p_vlm = vlm_New( p_intf );

    if( !p_vlm )
    {
        msg_Warn( p_intf, "Couldn't build VLM object ");
        return;
    }
    vlmWrapper = new VLMWrapper( p_vlm );

    // UI stuff
    ui.setupUi( this );
    ui.saveButton->hide();

#define ADDMEDIATYPES( str, type ) ui.mediaType->addItem( qtr( str ), QVariant( type ) );
    ADDMEDIATYPES( "Broadcast", QVLM_Broadcast );
    ADDMEDIATYPES( "Schedule", QVLM_Schedule );
    ADDMEDIATYPES( "Video On Demand ( VOD )", QVLM_VOD );
#undef ADDMEDIATYPES

    /* Schedule Stuffs */
    QGridLayout *schetimelayout = new QGridLayout( ui.schedBox );
    QLabel *schetimelabel = new QLabel( qtr( "Hours / Minutes / Seconds:" ) );
    schetimelayout->addWidget( schetimelabel, 0, 0 );
    QLabel *schedatelabel = new QLabel( qtr( "Day / Month / Year:" ) );
    schetimelayout->addWidget( schedatelabel, 1, 0 );
    QLabel *scherepeatLabel = new QLabel( qtr( "Repeat:" ) );
    schetimelayout->addWidget( scherepeatLabel, 2, 0 );
    QLabel *scherepeatTimeLabel = new QLabel( qtr( "Repeat delay:" ) );
    schetimelayout->addWidget( scherepeatTimeLabel, 3, 0 );

    time = new QDateTimeEdit( QTime::currentTime() );
    time->setAlignment( Qt::AlignRight );
    time->setDisplayFormat( "hh:mm:ss" );
    schetimelayout->addWidget( time, 0, 1, 1, 3 );

    date = new QDateTimeEdit( QDate::currentDate() );
    date->setAlignment( Qt::AlignRight );
    date->setCalendarPopup( true );
#ifdef WIN32
    date->setDisplayFormat( "dd MM yyyy" );
#else
    date->setDisplayFormat( "dd MMMM yyyy" );
#endif
    schetimelayout->addWidget( date, 1, 1, 1, 3 );

    scherepeatnumber = new QSpinBox;
    scherepeatnumber->setAlignment( Qt::AlignRight );
    schetimelayout->addWidget( scherepeatnumber, 2, 1, 1, 3 );

    repeatDays = new QSpinBox;
    repeatDays->setAlignment( Qt::AlignRight );
    schetimelayout->addWidget( repeatDays, 3, 1, 1, 1 );
    repeatDays->setSuffix( qtr(" days") );

    repeatTime = new QDateTimeEdit;
    repeatTime->setAlignment( Qt::AlignRight );
    schetimelayout->addWidget( repeatTime, 3, 2, 1, 2 );
    repeatTime->setDisplayFormat( "hh:mm:ss" );

    /* scrollArea */
    ui.vlmItemScroll->setFrameStyle( QFrame::NoFrame );
    ui.vlmItemScroll->setWidgetResizable( true );
    vlmItemWidget = new QWidget;
    vlmItemLayout = new QVBoxLayout( vlmItemWidget );
    vlmItemWidget->setLayout( vlmItemLayout );
    ui.vlmItemScroll->setWidget( vlmItemWidget );

    QSpacerItem *spacer =
        new QSpacerItem( 10, 10, QSizePolicy::Minimum, QSizePolicy::Expanding);
    vlmItemLayout->addItem( spacer );

    QPushButton *importButton = new QPushButton( qtr( "Import" ) );
    ui.buttonBox->addButton( importButton, QDialogButtonBox::ActionRole );

    QPushButton *exportButton = new QPushButton( qtr( "Export" ) );
    ui.buttonBox->addButton( exportButton, QDialogButtonBox::ActionRole );

    QPushButton *closeButton = new QPushButton( qtr( "&Close" ) );
    ui.buttonBox->addButton( closeButton, QDialogButtonBox::AcceptRole );


    showScheduleWidget( QVLM_Broadcast );

    /* Connect the comboBox to show the right Widgets */
    CONNECT( ui.mediaType, currentIndexChanged( int ),
             this, showScheduleWidget( int ) );

    /* Connect the leftList to show the good VLMItem */
    CONNECT( ui.vlmListItem, currentRowChanged( int ),
             this, selectVLMItem( int ) );

    BUTTONACT( closeButton, close() );
    BUTTONACT( exportButton, exportVLMConf() );
    BUTTONACT( importButton, importVLMConf() );
    BUTTONACT( ui.addButton, addVLMItem() );
    BUTTONACT( ui.clearButton, clearWidgets() );
    BUTTONACT( ui.saveButton, saveModifications() );
    BUTTONACT( ui.inputButton, selectInput() );
    BUTTONACT( ui.outputButton, selectOutput() );
}

VLMDialog::~VLMDialog()
{
    delete vlmWrapper;

   /* TODO :you have to destroy vlm here to close
    * but we shouldn't destroy vlm here in case somebody else wants it */
    if( p_vlm )
    {
        vlm_Delete( p_vlm );
    }
}

void VLMDialog::showScheduleWidget( int i )
{
    ui.schedBox->setVisible( ( i == QVLM_Schedule ) );
    ui.loopBCast->setVisible( ( i == QVLM_Broadcast ) );
    ui.vodBox->setVisible( ( i == QVLM_VOD ) );
}

void VLMDialog::selectVLMItem( int i )
{
    if( i >= 0 )
        ui.vlmItemScroll->ensureWidgetVisible( vlmItems.at( i ) );
}

bool VLMDialog::isNameGenuine( QString name )
{
    for( int i = 0; i < vlmItems.size(); i++ )
    {
        if( vlmItems.at( i )->name == name )
            return false;
    }
    return true;
}

void VLMDialog::addVLMItem()
{
    int vlmItemCount = vlmItems.size();

    /* Take the name and Check it */
    QString name = ui.nameLedit->text();
    if( name.isEmpty() || !isNameGenuine( name ) )
    {
        msg_Err( p_intf, "VLM Name is empty or already exists, I can't do it" );
        return;
    }

    int type = ui.mediaType->itemData( ui.mediaType->currentIndex() ).toInt();

    QString typeShortName;
    QString inputText = ui.inputLedit->text();
    QString outputText = ui.outputLedit->text();
    bool b_checked = ui.enableCheck->isChecked();
    bool b_looped = ui.loopBCast->isChecked();
    QDateTime schetime = time->dateTime();
    QDateTime schedate = date->dateTime();
    int repeatnum = scherepeatnumber->value();
    int repeatdays = repeatDays->value();
    VLMAWidget * vlmAwidget;

    switch( type )
    {
    case QVLM_Broadcast:
        typeShortName = "Bcast";
        vlmAwidget = new VLMBroadcast( name, inputText, outputText,
                                       b_checked, b_looped, this );
        VLMWrapper::AddBroadcast( name, inputText, outputText, b_checked,
                                  b_looped );
    break;
    case QVLM_VOD:
        typeShortName = "VOD";
        vlmAwidget = new VLMVod( name, inputText, outputText,
                                 b_checked, ui.muxLedit->text(), this );
        VLMWrapper::AddVod( name, inputText, outputText, b_checked );
        break;
    case QVLM_Schedule:
        typeShortName = "Sched";
        vlmAwidget = new VLMSchedule( name, inputText, outputText,
                                      schetime, schedate, repeatnum,
                                      repeatdays, b_checked, this );
        VLMWrapper::AddSchedule( name, inputText, outputText, schetime,
                                 schedate, repeatnum, repeatdays, b_checked);
        break;
    default:
        msg_Warn( p_intf, "Something bad happened" );
        return;
    }

    /* Add an Item of the Side List */
    ui.vlmListItem->addItem( typeShortName + " : " + name );
    ui.vlmListItem->setCurrentRow( vlmItemCount - 1 );

    /* Add a new VLMAWidget on the main List */

    vlmItemLayout->insertWidget( vlmItemCount, vlmAwidget );
    vlmItems.append( vlmAwidget );
    clearWidgets();
}

/* TODO : VOD are not exported to the file */
bool VLMDialog::exportVLMConf()
{
    QString saveVLMConfFileName = QFileDialog::getSaveFileName(
            this, qtr( "Choose a filename to save the VLM configuration..." ),
            qfu( config_GetHomeDir() ),
            qtr( "VLM conf (*.vlm) ;; All (*.*)" ) );

    if( !saveVLMConfFileName.isEmpty() )
    {
        vlm_message_t *message;
        QString command = "save \"" + saveVLMConfFileName + "\"";
        vlm_ExecuteCommand( p_vlm , qtu( command ) , &message );
        vlm_MessageDelete( message );
        return true;
    }
    return false;
}

void VLMDialog::mediasPopulator()
{
    if( p_vlm )
    {
        int i_nMedias;
        QString typeShortName;
        int vlmItemCount;
        vlm_media_t ***ppp_dsc = (vlm_media_t ***)malloc( sizeof( vlm_media_t ) );

        /* Get medias informations and numbers */
        vlm_Control( p_vlm, VLM_GET_MEDIAS, ppp_dsc, &i_nMedias );

        /* Loop on all of them */
        for( int i = 0; i < i_nMedias; i++ )
        {
            VLMAWidget * vlmAwidget;
            vlmItemCount = vlmItems.size();

            QString mediaName = qfu( (*ppp_dsc)[i]->psz_name );
            /* It may have several inputs, we take the first one by default
                 - an evolution will be to manage these inputs in the gui */
            QString inputText = qfu( (*ppp_dsc)[i]->ppsz_input[0] );

            QString outputText = qfu( (*ppp_dsc)[i]->psz_output );

            /* Schedule media is a quite especial, maybe there is another way to grab informations */
            if( (*ppp_dsc)[i]->b_vod )
            {
                typeShortName = "VOD";
                QString mux = qfu( (*ppp_dsc)[i]->vod.psz_mux );
                vlmAwidget = new VLMVod( mediaName, inputText, outputText,
                                    (*ppp_dsc)[i]->b_enabled, mux, this );
            }
            else
            {
                typeShortName = "Bcast";
                vlmAwidget = new VLMBroadcast( mediaName, inputText, outputText,
                                  (*ppp_dsc)[i]->b_enabled, (*ppp_dsc)[i]->broadcast.b_loop, this );
            }
            /* Add an Item of the Side List */
            ui.vlmListItem->addItem( typeShortName + " : " + mediaName );
            ui.vlmListItem->setCurrentRow( vlmItemCount - 1 );

            /* Add a new VLMAWidget on the main List */
            vlmItemLayout->insertWidget( vlmItemCount, vlmAwidget );
            vlmItems.append( vlmAwidget );
            clearWidgets();
        }
        free( ppp_dsc );
    }
}

bool VLMDialog::importVLMConf()
{
    QString openVLMConfFileName = QFileDialog::getOpenFileName(
            this, qtr( "Open a VLM Configuration File" ),
            qfu( config_GetHomeDir() ),
            qtr( "VLM conf (*.vlm) ;; All (*.*)" ) );

    if( !openVLMConfFileName.isEmpty() )
    {
        vlm_message_t *message;
        int status;
        QString command = "load \"" + openVLMConfFileName + "\"";
        status = vlm_ExecuteCommand( p_vlm, qtu( command ) , &message );
        vlm_MessageDelete( message );
        if( status == 0 )
        {
            mediasPopulator();
        }
        else
        {
            msg_Warn( p_intf, "Failed to import vlm configuration file : %s", qtu( command ) );
            return false;
        }
        return true;
    }
    return false;
}

void VLMDialog::clearWidgets()
{
    ui.nameLedit->clear();
    ui.inputLedit->clear();
    ui.outputLedit->clear();
    time->setTime( QTime::currentTime() );
    date->setDate( QDate::currentDate() );
    ui.enableCheck->setChecked( true );
    ui.nameLedit->setReadOnly( false );
    ui.loopBCast->setChecked( false );
    ui.muxLedit->clear();
    ui.saveButton->hide();
    ui.addButton->show();
}

void VLMDialog::selectInput()
{
    OpenDialog *o = OpenDialog::getInstance( this, p_intf, false, SELECT, true );
    o->exec();
    ui.inputLedit->setText( o->getMRL() );
}

void VLMDialog::selectOutput()
{
    SoutDialog *s = SoutDialog::getInstance( this, p_intf, false );
    if( s->exec() == QDialog::Accepted )
        ui.outputLedit->setText( s->getMrl() );
}

/* Object Modification */
void VLMDialog::removeVLMItem( VLMAWidget *vlmObj )
{
    int index = vlmItems.indexOf( vlmObj );
    if( index < 0 ) return;
    delete ui.vlmListItem->takeItem( index );
    vlmItems.removeAt( index );
    delete vlmObj;

    /* HERE BE DRAGONS VLM REQUEST */
}

void VLMDialog::startModifyVLMItem( VLMAWidget *vlmObj )
{
    currentIndex = vlmItems.indexOf( vlmObj );
    if( currentIndex < 0 ) return;

    ui.vlmListItem->setCurrentRow( currentIndex );
    ui.nameLedit->setText( vlmObj->name );
    ui.inputLedit->setText( vlmObj->input );
    ui.outputLedit->setText( vlmObj->output );
    ui.enableCheck->setChecked( vlmObj->b_enabled );

    switch( vlmObj->type )
    {